## Fatigue of engineering plastics |

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Page 81

The fatigue crack growth rate per cycle

any value of crack length by graphical procedures or by computation. For most

specimen configurations, the crack growth rate increases with increasing crack ...

The fatigue crack growth rate per cycle

**da**/**dN**is determined from such a curve atany value of crack length by graphical procedures or by computation. For most

specimen configurations, the crack growth rate increases with increasing crack ...

Page 108

On the other hand,

a given k value when the mean stress was changed by the same amount. The

sharp decrease in

On the other hand,

**da**/**dN**values decreased by almost two orders of magnitude ata given k value when the mean stress was changed by the same amount. The

sharp decrease in

**da**/**dN**with increasing R at a constant k arises since AK ...Page 264

5.54 Comparison of Glc and

adhesives. Data for structural plastic materials from Ref. 6. (AK at which

evaluated is 1 ksi - ^/in., AG = 2.22 lb/in., E = 0.45 x 106 psi for the adhesives.) ...

5.54 Comparison of Glc and

**da**/**dN**in fatigue at a given AG, level for sevenadhesives. Data for structural plastic materials from Ref. 6. (AK at which

**da**/**dN**isevaluated is 1 ksi - ^/in., AG = 2.22 lb/in., E = 0.45 x 106 psi for the adhesives.) ...

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### Contents

Fatigue Crack Propagation | 74 |

Fatigue Fracture Micromechanisms in Engineering Plastics | 146 |

Composite Systems | 184 |

Copyright | |

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### Common terms and phrases

adhesive amplitude ASTM ASTM STP Beardmore Bucknall carbon cfrp component Composite Materials composites constant crack growth rates crack length crack tip craze crystalline cyclic loading da/dN decrease deformation discontinuous growth bands discussed ductile effect elastic elastic modulus energy epoxy fatigue behavior fatigue crack growth fatigue crack propagation fatigue failure fatigue fracture fatigue tests FCP behavior FCP rates fibers flaw fracture mechanics fracture surface fracture toughness frequency sensitivity hysteresis hysteretic heating increase J. A. Manson Kambour laminates loading cycles M. D. Skibo material matrix mean stress modulus molecular weight notched nylon 66 plastic zone PMMA polyacetal polycarbonate polymeric solids polystyrene properties PVDF R. W. Hertzberg Rabinowitz rubber S-N curve samples Section semicrystalline shown in Fig specimen spherulite static stress intensity factor stress level striation studies temperature rise tensile test frequency thermal failure tion toughening unnotched values viscoelastic yield strength